The total population of 230 countries in the world has reached nearly 7.6 billion. Among them, 13 countries have a population of over 100 million, namely China, India, the United States, Indonesia and other countries.

By March 2020, 1, the total population of 230 countries in the world will be 7585204 179, among which China ranks first with 1.40005 million, making it the most populous country in the world, and Indian 1.354.

Distribution characteristics

1. The distribution of population growth in time and space is unbalanced: the time for doubling population growth in this century is shortening; The growth rate varies greatly between continents and countries.

2. The world's population is mainly concentrated in the northern hemisphere and the eastern hemisphere, and concentrated in the middle and low latitudes and coastal areas.

3. World population structure: The population is aging rapidly.

4. World population migration: large-scale population migration in modern times: Europe immigrated to America, Australia and New Zealand, Africa immigrated to America, and Asian countries immigrated.

5. Population problem: the population growth is too fast, and the population is over-urbanized in the process of urbanization.